Unpack bare roots or rhizomes on arrival and plant them within a week. Until then, keep them somewhere cool and ensure the roots remain slightly moist, never wet.
Out of season
Deluxe
If you're wondering what's missing at the back of your border, perhaps it's a cloud-like display of purple fluffy flowers! Thalictrum 'Black Stockings' grows tall and screens an empty space with a haze of mauve blooms held above wiry black stems in summer. Fresh green lacy leaves below add to the effect, filling the space with top-to-toe beauty. What's useful to note about Thalictrum (also known as meadow-rue), is that it grows well in clay soil—many plants struggle in heavy clay, but this wonderful native plant will manage to sink its roots in and thrive.
Thalictrum 'Black Stockings' grows in sun or partial shade and flowers in mid summer. Once it has finished flowering, you simply snip the stems level with the foliage. In autumn, cut the whole lot down to the ground. Apart from that, and the usual initial care to get it settled in, this perennial is completely undemanding. There's no need to worry about Thalictrum 'Black Stockings' in winter either; it's extremely tough and can handle temperatures below -20°C!
Quantity
Plant profile
Plant calendar
Remove the packaging straight away, check the compost and water thoroughly if dry. Check the plant’s hardiness before placing it outdoors. Plant into a border or permanent container within a month, choosing the position recommended for the variety. Keep the top of the root ball level with the surrounding soil, firm gently and water well.
Soak the roots in water for three to six hours immediately before planting. Keep any crown, buds or emerging shoots above the water where possible.
Pot most bare roots into 15–20cm pots filled with peat-free multipurpose compost. Large or depth-sensitive roots, including peonies, are often best planted directly into borders.
Arrange the roots naturally without bending them. Cover the roots completely, positioning the crown and buds at the depth recommended for that particular perennial.
Keep pots in a sheltered outdoor position and water whenever the compost begins to dry. Grow on until roots hold the compost together when lifted from the pot.
Plant into a suitable border or permanent container once well rooted. Add a label and water regularly throughout the first growing season while the perennial establishes.
- Botanical name
- Thalictrum 'Black Stockings'
- Flower colour
- Pink, violet
- Established height
- 1.5-2m
- Established spread
- 50-70cm
- Growing skill
- Easy to grow
- Habit
-
Upright
Clump-forming - Hardiness
- Fully hardy
- Leaf colour
- Green
- Mouse resistant
- No
- Plant size
- 1
- Plant spacing
- 3 plants per m2
- Pollinator friendly
- No
- Position
- Sheltered
- Rabbit resistant
- No
- Scented
- No
- Soil acidity
- Any
- Soil moisture
-
Free draining
Damp
Boggy - Soil type
-
Loam
Sandy
Multipurpose compost
Loam-based compost
Clay - Suitable for
-
Borders
Woodland gardens
Cottage gardens
Water gardens
Cut flower gardens
Wildlife gardens - Sunlight
-
Full sun
Partial shade - Toxicity
- No report
- Years to establish
- 2-3 years
Good for cutting
Pollinator-friendly
Thrives in full sun
RHS Recommended
Perennial
Fully hardy
Packed peat-free
Naturalising
Attracts wildlife
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Thalictrum 'Black Stockings' reviews
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